timc490310 Posted November 19, 2020 Posted November 19, 2020 I was changing the coolant on my newly acquired 2002 , only 7200 miles when I got it a couple weeks ago, and while getting the temp up to operating level I was looking at the rectifier and it was hot to touch. Is that normal ? It is the honda part, owner did not change anything except the recall on wiring up front. Thanks 1 Quote
Member Contributer Dutchy Posted November 19, 2020 Member Contributer Posted November 19, 2020 It is designed to do that. The altenator/generator produces alternating current (Vac) that the RR converts to direct current (Vdc). The Ac output increases as the engine revs up; to some 75+Vac... The RR restricts to output to some ~14.4Vdc to stop your 12V battery getting FUBAR'ed. The excess current is "flamed off"..... ie converted into heat. Quote
Member Contributer ducnut Posted November 19, 2020 Member Contributer Posted November 19, 2020 You’re best to install a Roadstercycle SH847 R/R Kit, ASAP. He offers an FH020 Kit, but, the SH847 is the one you want, as it’s Series circuitry and will help preserve your stator. The stator in your bike is a 1yr-only stator and no longer available from Honda. It’s worth the investment in the latest R/R technology to save what you have. Also, it’s advised to pull all the bodywork and go through every single connector, inspecting, cleaning, and applying something like Ox-Gard to them. I’d strongly consider going through the cooling system, replacing the thermostat, radiator cap, O-rings, and hoses (AS3 make a nice hose and clamp kit), swapping the fan blade to an outward blowing VTR blade, servicing the suspension, and flushing all the hydraulics. This will get all your regular maintenance and troublesome things out of the way. 1 Quote
Member Contributer Cogswell Posted November 19, 2020 Member Contributer Posted November 19, 2020 33 minutes ago, ducnut said: You’re best to install a Roadstercycle SH847 R/R Kit, ASAP. He offers an FH020 Kit, but, the SH847 is the one you want, as it’s Series circuitry and will help preserve your stator. The stator in your bike is a 1yr-only stator and no longer available from Honda. It’s worth the investment in the latest R/R technology to save what you have. Also, it’s advised to pull all the bodywork and go through every single connector, inspecting, cleaning, and applying something like Ox-Gard to them. I’d strongly consider going through the cooling system, replacing the thermostat, radiator cap, O-rings, and hoses (AS3 make a nice hose and clamp kit), swapping the fan blade to an outward blowing VTR blade, servicing the suspension, and flushing all the hydraulics. This will get all your regular maintenance and troublesome things out of the way. 1 Quote
Member Contributer Dutchy Posted November 19, 2020 Member Contributer Posted November 19, 2020 I strongly advise you to leave the coolant hoses and thermostat well alone if it ain't broke..... Quote
squirrelman Posted November 19, 2020 Posted November 19, 2020 it it's not hot, it's not working. Quote
Member Contributer DannoXYZ Posted November 20, 2020 Member Contributer Posted November 20, 2020 Yup, shunt-type RR dumps excess power not used to ground. It doesn't care how much is going where, total always come to 100% Quote
mello dude Posted November 20, 2020 Posted November 20, 2020 At 7200 miles, he's got some time before it implodes on itself... Digital voltmeter anyone? Quote
Member Contributer ShipFixer Posted November 20, 2020 Member Contributer Posted November 20, 2020 I'll just pile on with I just replaced the original R/R on my 2002, and the bike no longer smells like hot electrical wiring when it's running. Worth preventing future problems. 1 Quote
timc490310 Posted November 21, 2020 Author Posted November 21, 2020 ShipFixer, what did you replace your r/r with? Looking at the vfrness and sh847 Quote
mello dude Posted November 21, 2020 Posted November 21, 2020 48 minutes ago, timc490310 said: ShipFixer, what did you replace your r/r with? Looking at the vfrness and sh847 Tim, if you are going to replace the R/R now, the sh847 is a good way to go, but skip the Vfrness... I have 6th gen mounting plate kits for that. 1 Quote
Member Contributer ducnut Posted November 21, 2020 Member Contributer Posted November 21, 2020 5 hours ago, timc490310 said: ShipFixer, what did you replace your r/r with? Looking at the vfrness and sh847 Do the Roadstercycle SH847 Kit with mello dude’s plate and be done with it. VFRness is a waste of time. 2 Quote
timc490310 Posted November 22, 2020 Author Posted November 22, 2020 mello dude, I will reach out to you this winter, probably a winter project. Thanks 1 Quote
Member Contributer DannoXYZ Posted November 22, 2020 Member Contributer Posted November 22, 2020 On 11/21/2020 at 8:58 AM, ducnut said: Do the Roadstercycle SH847 Kit with mello dude’s plate and be done with it. VFRness is a waste of time. yeah! Quote
Member Contributer lplplplp Posted November 28, 2020 Member Contributer Posted November 28, 2020 I put the shindengen mosfet r/r and put a fan on it. 🙂 because why not! Quote
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